<!DOCTYPE html>
<html lang="zh">
<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<meta http-equiv="X-UA-Compatible" content="ie=edge" />
	<title>Document</title>
</head>
<body>
	<video id="v1" width="800" height="auto" controls="controls" muted="muted">
		<source src="https://vd4.bdstatic.com/mda-mb6eeerp0xvuvrfb/v1-cae/mda-mb6eeerp0xvuvrfb.mp4?v_from_s=gz_videoui_4135&auth_key=1612689517-0-0-f8c224abaf58f005213df78127afa9c4&bcevod_channel=searchbox_feed&pd=1&pt=3&abtest=8_1" type="video/mp4" />
		持 video直接播放，点击这里下载视频： <a href="myvideo.webm">下载视频
	</video>
	<script type="text/javascript">
		let v1 = document.getElementById("v1");
		v1.addEventListener("canplay", function(e) {
			console.dir(e);
			setTimeout(function() {
				alert(123);
			}, 1500);
		});
	</script>
</body>
</html>